寒区隧道新型保温钉施工工法比较

来源 :高寒地区高速铁路技术研讨会 | 被引量 : 0次 | 上传用户：myplucky

【摘要】

：

冻胀、积冰会给隧道造成巨大压力,改变隧道的应力环境,危及隧道的稳定性与安全性,是寒区隧道常见的冻害.为了防止冻胀、积冰冻害的发生,隧道施工时,须在初期支护与二期衬砌之

【作者】

：

姜鸿

【机构】

：

中铁十一局集团第二工程有限公司,湖北十堰442000

【出处】

：

高寒地区高速铁路技术研讨会

【发表日期】

：

2017年8期

【关键词】

：

寒区隧道保温层钢筋框架法捆扎法粘贴法钉接法

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论文部分内容阅读

冻胀、积冰会给隧道造成巨大压力,改变隧道的应力环境,危及隧道的稳定性与安全性,是寒区隧道常见的冻害.为了防止冻胀、积冰冻害的发生,隧道施工时,须在初期支护与二期衬砌之间铺设保温层.目前,保温层的施工有钢筋框架法、捆扎法、粘贴法和钉接法等,各有其优缺点,本文逐一比较了各种施工工法,以供相关工程人员进行选择.

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寒区隧道新型保温钉施工工法比较

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